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Eye movements in search in visual neglect

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Abstract:

We report data on eye movements in a patient (MP) with unilateral visual neglect, in a task of searching a real‐world scene. We demonstrate that MP missed some contralesional targets after fixating on them. On such “miss” trials, MP's eye movements were similar to those on objects in target‐absent trials trials, where MP was cued to search for a target that was not actually present. In addition, MP showed little evidence of memory for the locations of objects that remained across a trial, though poor memory fails to explain performance on trials where targets were fixated. We suggest that, in this case, neglect reflected the poor uptake of information from the contralesional side of space, so that even fixated targets sometimes failed to match a “template” held in his memory.

Document Type: Research Article

DOI: http://dx.doi.org/10.1080/13506280444000689

Affiliations: Department of Psychology, University of Warwick, Coventry, UK

Publication date: August 1, 2005

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